Lines and Angles - NCERT Class 7 Maths

The chapter 5 begins with an introduction to Lines and Angles by explaining the basic concepts of point, line, line segment and angle.Then various types of related angles such as complementary angles, supplementary angles, adjacent angles, linear pair and vertically opposite angles are discussed in detail. The next topic of discussion is different types of pairs of lines such as intersecting lines and transversal. Then the topics under transversal such as angles made by a transversal and transversal of parallel lines are dealt in detail.The last topic of discussion is checking for parallel lines.

Exercise 5.1

Exercise 5.2